English verb conjugation
MUST BENCH

Regular verb: bench - benched - benched

Affirmation

Simple form	V-ing form
I must bench you must bench she must bench we must bench you must bench they must bench	I must be benching you must be benching she must be benching we must be benching you must be benching they must be benching
Perfect	V-ing perfect
I must have benched you must have benched she must have benched we must have benched you must have benched they must have benched	I must have been benching you must have been benching she must have been benching we must have been benching you must have been benching they must have been benching

Negation

Simple form	V-ing form
I mustn't bench you mustn't bench she mustn't bench we mustn't bench you mustn't bench they mustn't bench	I mustn't be benching you mustn't be benching she mustn't be benching we mustn't be benching you mustn't be benching they mustn't be benching
Perfect	V-ing perfect
I mustn't have benched you mustn't have benched she mustn't have benched we mustn't have benched you mustn't have benched they mustn't have benched	I mustn't have been benching you mustn't have been benching she mustn't have been benching we mustn't have been benching you mustn't have been benching they mustn't have been benching

Interrogative form

Simple form	V-ing form
must I bench? must you bench? must she bench? must we bench? must you bench? must they bench?	must I be benching? must you be benching? must she be benching? must we be benching? must you be benching? must they be benching?
Perfect	V-ing perfect
must I have benched? must you have benched? must she have benched? must we have benched? must you have benched? must they have benched?	must I have been benching? must you have been benching? must she have been benching? must we have been benching? must you have been benching? must they have been benching?

Interro-negative form

Simple form	V-ing form
mustn't I bench? mustn't you bench? mustn't she bench? mustn't we bench? mustn't you bench? mustn't they bench?	mustn't I be benching? mustn't you be benching? mustn't she be benching? mustn't we be benching? mustn't you be benching? mustn't they be benching?
Perfect	V-ing perfect
mustn't I have benched? mustn't you have benched? mustn't she have benched? mustn't we have benched? mustn't you have benched? mustn't they have benched?	mustn't I have been benching? mustn't you have been benching? mustn't she have been benching? mustn't we have been benching? mustn't you have been benching? mustn't they have been benching?